#include <stdio.h>
int cnt = 10;

int qiuhe(int x,int y)
{
//	int x;	
	int sum = 0;
	x = x + cnt;
	int cnt = 15;
	sum = x + y + cnt;
	return sum; 
}

int main()
{
	int sum = 0;
	sum = qiuhe(3,5) + cnt;
	printf("sum == %d\n",sum);
//	int sum = 8;
	sum = qiuhe(3,5) + 7;
	printf("sum == %d\n",sum);
	
	return 0;
}

